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CEN
EN 4551:2014

EN 4551:2014

Current

Current

The latest, up-to-date edition.

Aerospace series - Pipe coupling, 37°, in heat resisting steel - Swivel nuts - Inch series

Published date

10-01-2014

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Required characteristics
4 Designation
5 Marking
6 Technical specification
Annex A (informative) - Standard evolution form

This European Standard specifies the characteristics of swivel nuts for inch series pipe couplings, 37°, in heat resisting steel, for aerospace applications.

DevelopmentNote
Supersedes PREN 4551. (10/2014)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current
Supersedes

Standards Relationship
NBN EN 4551 : 2014 Identical
NEN EN 4551 : 2014 Identical
NS EN 4551 : 2014 Identical
I.S. EN 4551:2014&LC:2014-12 Identical
PN EN 4551 : 2014 Identical
SN EN 4551 : 2014 Identical
UNI EN 4551 : 2004 Identical
BS EN 4551:2014 Identical
11/30254548 DC : 0 Identical
NF EN 4551 : 2014 Identical
DIN EN 4551:2015-02 Identical
UNE-EN 4551:2014 Identical

BS EN 4556:2003 Aerospace series. Pipe coupling 37°, in heat resisting steel. Cap assemblies. Inch series
EN 4556:2003 Aerospace series - Pipe coupling 37°, in heat resisting steel - Cap assemblies- Inch series

ISO 6771:2007 Aerospace Fluid systems and components Pressure and temperature classifications
EN 2491:2011 Aerospace series - Molybdenum disulphide dry lubricants - Coating methods
EN 2786 : 2008 AEROSPACE SERIES - ELECTROLYTIC SILVER PLATING OF FASTENERS
EN 2424:2008 Aerospace series - Marking of aerospace products
EN 3487:2007 Aerospace series - Steel FE-PA3601 (X6CrNiTi18-10) - Air melted - Softened - Bar for machining - a or D ≤ 250 mm - 500 MPa ≤ Rm ≤ 700 MPa
PREN 3468 : 200P1 AEROSPACE SERIES - STEEL FE-PA13 - SOFTENED - 500 < R[M] <= 700 MPA - FORGINGS - D[E] <= 100 MM
EN 4560:2015 Aerospace series - Pipe coupling 37°, spherical up to 21 000 kPa - Inch series - Technical specification
ISO 3161:1999 Aerospace — UNJ threads — General requirements and limit dimensions

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